. >> obama described his priorities for his second term from the domestic economy and diplomacy to climate change. he talked about values and principles common to all americans. he said prosperity must rest on the shoulders of the rising middle class. >> no single person can train all the math and science teachers we'll need to equip our children for the future. or build the roads and networks and research labs that will bring new jobs and businesses to our shores. now, more than ever, we must do these things together as one nation and one people. >> obama begins his second term with several battles looming. he'll try to work with republicans in the house of representatives to revamp gun control laws and avoid defaulting on the national debt. ♪ the rockets red glare ♪ the bombs bursting in air >> pop star beyonce sang the national anthem. her performance capped off the official proceedings ahead of the inaugural parade. then the president walked the capitol route from the building to the white house. the inauguration four years ago drew almost 2 million people. this time an estimated 4